[cfe-commits] r150035 - in /cfe/trunk: lib/CodeGen/TargetInfo.cpp test/CodeGen/mips64-nontrivial-return.cpp

[Akira Hatanaka]

Author: ahatanak
Date: Tue Feb  7 19:31:22 2012
New Revision: 150035

URL: http://llvm.org/viewvc/llvm-project?rev=150035&view=rev
Log:
Do not return records with non trivial destructors or copy constructors in
registers.


Added:
    cfe/trunk/test/CodeGen/mips64-nontrivial-return.cpp
Modified:
    cfe/trunk/lib/CodeGen/TargetInfo.cpp

Modified: cfe/trunk/lib/CodeGen/TargetInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/TargetInfo.cpp?rev=150035&r1=150034&r2=150035&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/TargetInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/TargetInfo.cpp Tue Feb  7 19:31:22 2012
@@ -3215,7 +3215,7 @@
       if (RetTy->isAnyComplexType())
         return ABIArgInfo::getDirect();
 
-      if (!IsO32)
+      if (!IsO32 && !isRecordWithNonTrivialDestructorOrCopyConstructor(RetTy))
         return ABIArgInfo::getDirect(returnAggregateInRegs(RetTy, Size));
     }
 

Added: cfe/trunk/test/CodeGen/mips64-nontrivial-return.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/mips64-nontrivial-return.cpp?rev=150035&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/mips64-nontrivial-return.cpp (added)
+++ cfe/trunk/test/CodeGen/mips64-nontrivial-return.cpp Tue Feb  7 19:31:22 2012
@@ -0,0 +1,17 @@
+// RUN: %clang -target mips64el-unknown-linux -ccc-clang-archs mips64el -O3 -S -mabi=n64 -o - -emit-llvm %s | FileCheck %s
+
+class B {
+public:
+  virtual ~B() {}
+};
+
+class D : public B {
+};
+
+extern D gd0;
+
+// CHECK: _Z4foo1v(%class.D* noalias nocapture sret
+
+D foo1(void) {
+  return gd0;
+}